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29. Complex stifle injury in a foal.

Author

Santschi, E., Younkin, J., Girard, C., and Laverty, S.

Subjects
FOALS, CRUCIATE ligaments, MENISCUS injuries, AUTOPSY, BONE injuries, MEDICAL digital radiography
Abstract

Summary: A 130 kg, 60‐day‐old Quarter Horse male foal presented with bilateral stifle effusion and severe left hindlimb lameness. Clinical examination and imaging including radiography, ultrasound and computed tomography revealed bilateral stifle trauma. Specifically, disruption of the left medial meniscus and deep bone injury to the left medial femoral condyle (MFC) were detected, and bilateral injury to the origin of the cranial cruciate ligaments was suspected. Treatment consisted of stall rest and joint injection with corticosteroids, however there was little improvement in lameness. Due to the poor prognosis for soundness, the foal was subject to euthanasia 10 weeks after initial presentation. Post‐mortem examination supported the left medial meniscus and MFC injuries and revealed avulsions of the origin of the cranial cruciate ligaments (complete on the left and partial on the right) from the lateral femoral condyle. Histopathology of the left stifle joint revealed varying depths of MFC osteochondral injury and severe left medial meniscus damage. [ABSTRACT FROM AUTHOR]

Published
2020
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36. Use of negative pressure wound therapy in three horses with open, infected olecranon bursitis.

Author

Elce, Y. A., Ruzickova, P., Almeida da Silveira, E., and Laverty, S.

Subjects
NEGATIVE-pressure wound therapy, BURSITIS, GRANULATION tissue, SURGICAL excision, HORSES, UBIQUINONES, ARABIAN horses
Abstract

Summary: This article describes the clinical use of negative pressure wound therapy (NPWT) in three horses with an open and infected subcutaneous olecranon bursa, in which prior surgical excision followed by primary closure was unsuccessful. The wounds filled in rapidly with granulation tissue and contracted during therapy. All wounds subsequently went on to heal without complications. The use of NPWT was well tolerated in all three horses and facilitated healing in a difficult area. [ABSTRACT FROM AUTHOR]

Published
2020
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37. The effects of three-month oral supplementation with a nutraceutical and exercise on the locomotor pattern of aged horses

Author

Higler, M H, Brommer, H, L'Ami, J J, de Grauw, J C, Nielen, M, van Weeren, P R, Laverty, S, Barneveld, A, Back, W, Advances in Veterinary Medicine, FAH AVM, LS Heelkunde, Afd Veterinaire Anesthesiologie, LS Evidence Based Vet Medicine, Dep Gezondheidszorg Paard, LS Equine Muscoskeletal Biology, and ES AVM

Subjects
treadmill exercise, gait quality, geriatric, oral nutraceutical, joint kinematics, horse
Abstract

REASONS FOR PERFORMING STUDY: Multiple in vitro studies assessing articular tissues have indicated that glucosamine and chondroitin sulphate may possess anti-inflammatory effects, but little is known of their clinical effects in vivo. Many old horses have stiff joints, which is likely to be attributable to inflammation and therapy with these nutraceutical compounds could improve joint function. OBJECTIVES: To assess the clinical effects of a mixed supplement on the improvement of stiff gait in aged horses. STUDY DESIGN: Randomised, blinded, placebo-controlled study. METHODS: A group of 24 geriatric equids (age 29 ± 4 years; mean ± s.d.) received either 3 months oral supplementation with a test compound (containing glucosamine, chondroitin sulfate and methyl sulfonyl methane), or a placebo. Kinematic outcome criteria (primary: stride length; secondary: carpal flexion, fore fetlock extension and tarsal range of motion) were objectively quantified on a treadmill at a walk and trot before and after treatment. RESULTS: Stride length did not change significantly in the treated horses at the end of the trial. In the control group, carpal flexion and fore fetlock extension were significantly increased (P

Published
2014

40. Using CD4 percentage and age to optimize pediatric antiretroviral therapy initiation

Author

Yin, D.E., Warshaw, M.G., Miller, W.C., Castro, H., Fiscus, S.A., Harper, L.M., Harrison, L.J., Klein, N.J., Lewis, J., Melvin, A.J., Tudor Williams, G., Mckinney, R.E., Brouwers, P., Costello, D., Ferguson, E., Fiscus, S., Hodge, J., Hughes, M., Jennings, C., Melvin, A., Mckinney, R., Mofenson, L., Warshaw, M., Smith, M., Spector, S., Stiehm, E., Toye, M., Yogev, R., Babiker, A., Compagnucci, A., De Rossi, A., Giaquinto, C., Darbyshire, J., Debré, M., Gibb, D., Harper, L., Harrison, L., Klein, N., Pillay, D., Saidi, Y., Walker, A., Brody, B., Hill, C., Lepage, P., Modlin, J., Poziak, A., Rein, M., Robb, M., Fleming, T., Vella, S., Kim, K., Bologna, R., Mecikovsky, D., Pineda, N., Sen, L., Mangano, A., Marino, S., Galvez, C., Deluchi, G., Zöhrer, B., Zenz, W., Daghofer, E., Pfurtscheller, K., Pabst, B., Gomez, M., Mcneil, P., Jervis, M., Whyms, I., Kwolfe, D., Scott, S., Mussi Pinhata MM, Issac, M., Cervi, M., Negrini, B., Matsubara, T., de Souza CB, Gabaldi, J., Oliveira, R., Sapia, M., Abreu, T., Evangelista, L., Pala, A., Fernandes, I., Farias, I., Melo M, D.F., Carreira, H., Lira, L., Della Negra, M., Queiroz, W., Lian, Y., Pacola, D., Pinto, J., Ferreira, F., Kakehasi, F., Martins, L., Diniz, A., Lobato, V., Diniz, M., Cleto, S., Costa, S., Romeiro, J., Dollfus, C., Tabone, M., Courcoux, M., Vaudre, G., Dehée, A., Schnuriger, A., Le Gueyades, N., De Bortoli, C., Méchinaud, F., Reliquet, V., Arias, J., Rodallec, A., André, E., Falconi, I., Le Pelletier, A., Monpoux, F., Cottalorda, J., Mellul, S., Lachassinne, E., Galimand, J., Rouzioux, C., Chaix, M., Benabadji, Z., Pourrat, M., Firtion, G., Rivaux, D., Denon, M., Boudjoudi, N., Nganzali, F., Krivine, A., Méritet, J., Delommois, G., Norgeux, C., Guérin, C., Floch, C., Marty, L., Hichou, H., Tournier, V., Faye, A., Le Moal, I., Sellier, M., Dehache, L., Damond, F., Leleu, J., Beniken, D., Alexandre Castor, G., Neubert, J., Niehues, T., Laws, H., Huck, K., Gudowius, S., Siepermann, K., Loeffler, H., Bellert, S., Ortwin, A., Notheis, G., Wintergerst, U., Hoffman, F., Werthmann, A., Seyboldt, S., Schneider, L., Bucholz, B., Feiterna Sperling, C., Peiser, C., Nickel, R., Schmitz, T., Piening, T., Müller, C., Warncke, G., Wigger, M., Neubauer, R., Butler, K., Chong, A., Boulger, T., Menon, A., O'Connell, M., Barrett, L., Rochford, A., Goode, M., Hayes, E., Mcdonagh, S., Walsh, A., Doyle, A., Fanning, J., O'Connor, M., Byrne, M., O'Sullivan, N., Hyland, E., Giacomet, V., Viganò, A., Colombo, I., Trabattoni, D., Berzi, A., Badolato, R., Schumacher, F., Bennato, V., Brusati, M., Sorlini, A., Spinelli, E., Filisetti, M., Bertulli, C., Rampon, O., Zanchetta, M., Mazza, A., Stringari, G., Rossetti, G., Bernardi, S., Martino, A., Castelli Gattinara, G., Palma, P., Pontrelli, G., Tchidjou, H., Furcas, A., Frillici, C., Mazzei, A., Zoccano, A., Concato, C., Duiculescu, D., Oprea, C., Tardei, G., Abaab, F., Mardarescu, M., Draghicenoiu, R., Otelea, D., Alecsandru, L., Matusa, R., Rugina, S., Ilie, M., Netescu, S., Florea, C., Voicu, E., Poalelungi, D., Belmega, C., Vladau, L., Chiriac, A., Ramos Amador JT, Gonzalez Tomé MI, Rojo Conejo, P., Fernandez, M., Delgado Garcia, R., Ferrari, J., Garcia Lopez, M., Mellado Peña MJ, Martin Fontelos, P., Jimenez Nacher, I., Muñoz Fernandez MA, Jimenez, J., García Torre, A., Penin, M., Pineiro Perez, R., Garcia Mellado, I., Finn, A., Lajeunesse, M., Hutchison, E., Usher, J., Ball, L., Dunn, M., Sharland, M., Doerholt, K., Storey, S., Donaghy, S., Chakraborty, R., Wells, C., Buckberry, K., Rice, P., Mcmaster, P., Butler, P., O'Connell C, R., Shenton, J., Haley, H., Orendi, J., Stroobant, J., Navarante, L., Archer, P., Mazhude, C., Scott, D., O'Connell, R., Wong, J., Boddy, G., Shackley, F., Lakshman, R., Hobbs, J., Ball, G., Kudesia, G., Bane, J., Painter, D., Sloper, K., Shah, V., Cheng, A., Aali, A., Ball, C., Hawkins, S., Nayagam, D., Waters, A., Doshi, S., Liebeschuetz, S., Sodiende, B., Shingadia, D., Wong, S., Swan, J., Shah, Z., Collinson, A., Hayes, C., King, J., O'Connor, K., Lyall, H., Fidler, K., Walters, S., Foster, C., Hamadache, D., Newbould, C., Monrose, C., Campbell, S., Yeung, S., Cohen, J., Martinez Allier, N., Melvin, D., Dodge, J., Welch, S., Tatum, G., Gordon, A., Kaye, S., Muir, D., Patel, D., Novelli, V., Moshal, K., Lambert, J., Flynn, J., Farrelly, L., Clapson, M., Spencer, L., Depala, M., Jacobsen, M., Segal, S., Pollard, A., Kelly, D., Yeadon, S., Ohene Kena, B., Peng, Y., Dong, T., Jeffries, K., Snelling, M., Smyth, A., Smith, J., Ward, B., Jungmann, E., Ryan, C., Swaby, K., Buckton, A., Smit, E., Abrams, E., Champion, S., Fernandez, A., Calo, D., Garrovillo, L., Swaminathan, K., Alford, T., Frere, M., Navarra, J., Borkowsky, W., Deygoo, S., Hastings, T., Akleh, S., Ilmet, T., Mohan, K., Bowen, G., Emmanuel, P., Lujan Zimmerman, J., Rodriguez, C., Johnson, S., Marion, A., Graisbery, C., Casey, D., Lewis, G., Guzman Cottrill, J., Croteau, R., Acevedo Flores, M., Gonzalez, M., Angeli, L., Fabregas, L., Valentin, P., Weiner, L., Contello, K., Holz, W., Butler, M., Nachman, S., Kelly, M., Ferraro, D., Rana, S., Reed, C., Yeagley, E., Malheiro, A., Roa, J., Neely, M., Kovacs, A., Homans, J., Rodriguez Lozano, Y., Puga, A., Talero, G., Sellers, R., Lawrence, R., Weinberg, G., Murante, B., Laverty, S., Deveikis, A., Batra, J., Chen, T., Michalik, D., Deville, J., Elkins, K., Marks, S., Jackson Alvarez, J., Palm, J., Fineanganofo, I., Keuth, M., Deveikis, L., Tomosada, W., Van Dyke, R., Alchediak, T., Silio, M., Borne, C., Bradford, S., Eloby Childress, S., Nguyen, K., Rathore, M., Alvarez, A., Mirza, A., Mahmoudi, S., Burke, M., Febo, I., Lugo, L., Santos, R., Church, J., Dunaway, T., Rodier, C., Flynn, P., Patel, N., Discenza, S., Donohoe, M., Luzuriaga, K., Picard, D., Kline, M., Paul, M., Shearer, W., Mcmullen, C., Chadwick, E., Cagwin, E., Kabat, K., Dieudonne, A., Palumbo, P., Johnson, J., Gaur, S., Cerracchio, L., Foca, M., Jurgrau, A., Vasquez Bonilla, S., Silva, G., Gershon, A., Sullivan, J., Bryson, Y., Frenkel, L., Nelson, J., Aboulker, J., Hadjou, G., Léonardo, S., Riault, Y., Saïdi, Y., Buck, L., Forcat, S., Horton, J., Johnson, D., Moore, S., Taylor, C., Collins, D., Buskirk, S., Kamara, P., Nesel, C., Johnson, M., Ferreira, A., Tutko, J., Sprenger, H., Britto, P., Powell, C., Dersimonian, R., Handelsman, E., Ananworanich, J., Belfrage, E., Blanche, S., Bohlin, A., Burger, D., Clayden, P., De Groot, R., Di Biagio, A., Grosch Wörner, I., Hainault, M., Lallemant, M., Levy, J., Marczynska, M., Mellado Pena MJ, Nadal, D., Naver, L., Peckham, C., Popieska, J., Rosado, L., Rosso, R., Rudin, C., Scherpbier, H., Stevanovic, M., Thorne, C., Tovo, P., Valerius, N., Poole, C., Cole, S., and Mcculloh, R.J.

Subjects
CD4-Positive T-Lymphocytes, Male, medicine.medical_treatment, HIV (FISIOLOGIA), lnfectious Diseases and Global Health Radboud Institute for Molecular Life Sciences [Radboudumc 4], Human immunodeficiency virus (HIV), HIV Infections, medicine.disease_cause, Treatment failure, Settore BIO/13 - Biologia Applicata, Antiretroviral Therapy, Highly Active, immunologic, Child, HIV, child, reconstitution, treatment failure, Adolescent, Anti-HIV Agents, CD4 Lymphocyte Count, Child, Preschool, Female, Follow-Up Studies, HIV-1, Humans, Infant, Infant, Newborn, Follow up studies, Immunosuppression, medicine.medical_specialty, Settore MED/17 - Malattie Infettive, Antiretroviral Therapy, World health, Article, Internal medicine, medicine, Highly Active, Preschool, Settore MED/04 - Patologia Generale, business.industry, Disease progression, Settore MED/46 - Scienze Tecniche di Medicina di Laboratorio, Newborn, Antiretroviral therapy, Confidence interval, lnfectious Diseases and Global Health Radboud Institute for Health Sciences [Radboudumc 4], Immunologic, Reconstitution, Pediatrics, Perinatology and Child Health, Immunology, business
Abstract

BACKGROUND: Quantifying pediatric immunologic recovery by highly active antiretroviral therapy (HAART) initiation at different CD4 percentage (CD4%) and age thresholds may inform decisions about timing of treatment initiation. METHODS: HIV-1-infected, HAART-naive children in Europe and the Americas were followed from 2002 through 2009 in PENPACT-1. Data from 162 vertically infected children, with at least World Health Organization “mild” immunosuppression and CD4% RESULTS: Seventy-two percent of baseline immunosuppressed children recovered to normal within 4 years. Compared with “severe” immunosuppression, more children with “mild” immunosuppression (difference 36%, 95% confidence interval [CI]: 22% to 49%) or “advanced” immunosuppression (difference 20.8%, 95% CI: 5.8% to 35.9%) recovered a normal CD4%. For each 5-year increase in baseline age, the proportion of children achieving a normal CD4% declined by 19% (95% CI: 11% to 27%). Combining baseline CD4% and age effects resulted in >90% recovery when initiating HAART with “mild” immunosuppression at any age or “advanced” immunosuppression at age CONCLUSIONS: Initiating HAART at higher CD4% and younger ages maximizes potential for immunologic recovery. Guidelines should weigh immunologic benefits against long-term risks.

Published
2014

41. Differences in third metacarpal trabecular microarchitecture between the parasagittal groove and condyle at birth and in adult racehorses.

Author

Anne‐Archard, N., Martel, G., Fogarty, U., Richard, H., Beauchamp, G., and Laverty, S.

Abstract

Summary: Background: The aetiology of equine metacarpal condylar fractures is not completely understood and a developmental cause has been postulated. Objectives: To investigate the subchondral bone trabecular microarchitecture of the lateral parasagittal groove and condyle in equine neonates and its adaptation with maturation and athletic activity. Study design: Ex vivo observational study. Methods: Distal metacarpi of neonates, yearlings and adult racehorses (n = 24) were harvested. Dorsal and palmar frontal histological sections, containing the lateral parasagittal groove and condyle, were studied. The sections were digitalised and subchondral trabecular bone quantity and quality parameters and trabecular orientation in the frontal plane were measured. Results: Trabecular spacing and length were greater (P = 0.004 and P = 0.0005 respectively) whereas bone fraction, trabecular number and connectivity were all lower (P = 0.0004, P = 0.0001 and P = 0.001 respectively) in the lateral parasagittal groove compared with the condyle in neonatal foals. Trabecular thickness and bone fraction increased with age in racehorses and trabecular spacing decreased. The predominant trabecular orientation had a consistent pattern in neonates and it changed with maturity and the cumulative effect of racing at all the ROIs except for the palmar lateral parasagittal groove that retained a more 'immature' pattern. Main limitations: Samples were investigated in 2D. 3D processing could have provided more information. Conclusions: Already at birth there are striking differences in the subchondral bone trabecular microarchitecture between the lateral parasagittal groove and condyle in foals. Adaptation of trabeculae is confirmed with maturity in racehorses, with the greatest adaptation measured in bone quantity parameters. The trabecular orientation had a unique and more immature orientation pattern in the lateral palmar parasagittal grooves in adult racehorses and may reflect a weaker structure at this site. [ABSTRACT FROM AUTHOR]

Published
2019
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42. Proceedings of the 12th Annual Meeting of the Irish Endocrine Society, Belfast, October 23rd and 24th 1987

Author

Ritchie, C. M., Hadden, D. R., Kennedy, A. L., Sheridan, B., Atkinson, A. B., Murray, D. P., Ferriss, J. B., O’Sullivan, D. J., Sheridan, B., Leslie, H. C. P., Roberts, G., McCance, D. R., McKnight, J. A., Atkinson, A. B., McLaughlin, B., Barrett, P., Devlin, J. G., Fitzpatrick, S. C., McKenna, T. J., Lappin, T. R. J., Elder, G. E., Brown, J. H., Taylor, T., Bridges, J. M., O’Shea, D., Byrne, M., Powell, D., Cunningham, S. K., McKenna, T. J., Moles, K. W., Varghese, A., Buchanan, K. D., Atkinson, A. B., Carson, D., Atkinson, A. B., McCance, D. R., McKnight, J. A., Laverty, S., Sheridan, B., McKane, W. R., Stevens, A. B., Duly, E., Andrews, W. J., Bell, P. M., Hayes, J. R., Henry, R. W., Bell, P. M., Firth, R. G., Rizza, R. A., O’Hare, J. A., Minaker, K. L., Keneilly, G. S., Rowe, J. W., Pallotta, Johanna A., Young, J. B., Firth, R., Bell, P., Hansen, I., Rizza, R., Corcoran, A. E., Smyth, P. P. A., Cranny, A., Cullen, M. J., O’Brien, C. J., Vento, S., Cundy, T., Eddleston, A. L. W. F., Folan, J., Gosling, J. P., Fottrell, P. F., Finn, M. M., Stevens, A. B., McKane, W. R., Bell, P. M., King, D. J., Hayes, J. R., Murray, D. P., Keenan, P., Gayer, E., Salmon, P., Tomkin, G. H., Drury, M. I., and O’Sullivan, D. J.

Published
1988
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43. Ultrasonographic screening for subclinical osteochondrosis of the femoral trochlea in foals (28–166 days old): a prospective farm study.

Author

Martel, G., Crowley, D., Olive, J., Halley, J., and Laverty, S.

Abstract

Summary: Background: Extensive osteochondritis dissecans (OCD) lesions of the lateral ridge of the trochlea of the femur (LRTF), the most common OCD‐affected site in the stifle, have a poor outcome with surgical debridement and can be career ending. The early detection of osteochondrosis lesions and their conservative management holds the promise to enhance outcome. We hypothesise that ultrasonography is a valuable field screening tool to detect and monitor early subclinical LRTF osteochondrosis. Objectives: The goals were to 1) describe the normal ultrasonographic features of the LRTF in foals of different ages and 2) screen a foal cohort at the farm for early subclinical osteochondrosis lesions. Study design: Prospective cohort study. Methods: The LRTF of both hindlimbs of Thoroughbred foals (n = 46, 27–166 days old) were imaged once with ultrasonography and radiography (lateromedial and caudolateral‐craniomedial oblique views). Cartilage thickness, ossification front indentation of the chondro‐osseous junction and epiphyseal vascularisation were assessed on ultrasonography. Follow‐up radiographs were taken as yearlings. Results: The cartilage thickness, ossification front indentation and epiphyseal vascularisation significantly decreased with advancing maturity. Subclinical osteochondrosis lesions, characterised by semicircular indentations in the ossification front (indirect evidence of focal failure of ossification and retained cartilage) were detected in six foals (28–145 days old), both with radiography and ultrasonography. Ultrasonography provided a better overall subjective assessment of the osteochondrosis lesion topography (length, depth and the width) compared with radiography. Main limitations: Post‐mortem validation of lesions was not possible. Conclusion: Ultrasonography of the LRTF is a practical, inexpensive and reliable technique to discriminate physiological from pathological events at the LRTF in young foals. It revealed the complex topography of the chondro‐osseous junction permitting a rapid, comprehensive assessment of the subclinical osteochondrosis lesions in very young foals. [ABSTRACT FROM AUTHOR]

Published
2018
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48. Equine meniscal degeneration is associated with medial femorotibial osteoarthritis.

Author

Dubuc, J., Girard, C., Richard, H., De Lasalle, J., and Laverty, S.

Abstract

Background There is limited information available concerning normal equine meniscal morphology, its degeneration and role in osteoarthritis ( OA). Objectives To characterise normal equine meniscal morphology and lesions and to explore the relationship between equine meniscal degeneration and femorotibial OA. Study design Ex vivo cadaveric study. Methods Menisci were harvested from 7 normal joints (n = 14 menisci) and 15 joints with OA (n = 30 menisci). A macroscopic femorotibial OA score (cartilage degeneration and osteophytosis) was employed to measure disease severity in each compartment. The femoral and tibial meniscal surfaces were scored for macroscopic fibrillation and tears (1-4). Histological sections (regions: cranial and caudal horn; body) were also scored for microscopic fibrillation and tears (0-3) and inner border degeneration (0-3). Results Partial meniscal tears were present on both femoral and tibial surfaces in all 3 regions and most frequently identified on the femoral surface of the cranial horn of the medial meniscus and body of the lateral meniscus. There was a significantly positive correlation between the global medial meniscal macroscopic scores and osteophyte (r = 0.7, P = 0.002) or cartilage degeneration (r = 0.5, P = 0.03) scores within the medial femorotibial joint. The global medial meniscal macroscopic score was greater (P = 0.004) in the advanced OA joints compared with control joints. Main limitations The menisci were principally from abattoir specimens without a known clinical history because of the challenge in obtaining a large number of specimens with a clinical diagnosis of femorotibial OA. Conclusions This study is the first to describe normal equine meniscal morphology and lesions. Meniscal lesions were identified in all segments and on both articular surfaces. Meniscal degeneration significantly correlated with OA severity in the equine medial femorotibial joint. The relationship between OA and meniscal pathology remains to be elucidated. [ABSTRACT FROM AUTHOR]

Published
2018
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50. The effects of three-month oral supplementation with a nutraceutical and exercise on the locomotor pattern of aged horses

Author

Advances in Veterinary Medicine, FAH AVM, LS Heelkunde, Afd Veterinaire Anesthesiologie, LS Evidence Based Vet Medicine, Dep Gezondheidszorg Paard, LS Equine Muscoskeletal Biology, ES AVM, Higler, M H, Brommer, H, L'Ami, J J, de Grauw, J C, Nielen, M, van Weeren, P R, Laverty, S, Barneveld, A, Back, W, Advances in Veterinary Medicine, FAH AVM, LS Heelkunde, Afd Veterinaire Anesthesiologie, LS Evidence Based Vet Medicine, Dep Gezondheidszorg Paard, LS Equine Muscoskeletal Biology, ES AVM, Higler, M H, Brommer, H, L'Ami, J J, de Grauw, J C, Nielen, M, van Weeren, P R, Laverty, S, Barneveld, A, and Back, W

Published
2014

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